Renal excretion of potassium.
D000220:Adaptation, Biological; D000375:Aging; D004032:Diet; D006801:Humans; D007668:Kidney / Q000502:physiology*; D011188:Potassium / Q000652:urine*; D012964:Sodium / Q000652:urine*; D013045:Species Specificity
D012964:Sodium; D011188:Potassium